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Argparse: Required argument 'y' if 'x' is present
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edited Mar 20 '19 at 10:13
answered Oct 16 '13 at 22:11
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Convert Linq Query Result to Dictionary
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edited Mar 18 '19 at 19:50
community wiki
3 re...
Setting Short Value Java
...a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
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mongodb/mongoose findMany - find all documents with IDs listed in array
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505
The find function in mongoose is a full query to mongoDB. This means you can use the handy mon...
Change how fast “title” attribute's tooltip appears
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80
No, there's no way. The title attribute is implemented in a browser dependent fashion. For examp...
Newline in markdown table?
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edited Jan 13 '15 at 20:41
answered Aug 25 '12 at 5:03
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How to shift a column in Pandas DataFrame
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In [18]: a
Out[18]:
x1 x2
0 0 5
1 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2 = a.x2.shift(1)
In [20]: a
Out[20]:
x1 x2
0 0 NaN
1 1 5
2 2 6
3 3 7
4 4 8
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...efaults to picking the newest JDK from /Library/Java as long as that is 7u10 or later, or uses Java 6 if your Java 7 installation is update 9 or earlier. But unravelling the logic in the shell scripts it looks to me like you can specify a particular JDK using a configuration file.
Create a text fi...
How does HashSet compare elements for equality?
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edited Feb 1 '18 at 7:10
answered Jan 21 '12 at 9:43
Jon...
Detect & Record Audio in Python
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106
As a follow up to Nick Fortescue's answer, here's a more complete example of how to record from...